CVE-2021-37860
Low
Description
Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.
SeverityLow
CVSS3.7
Exploit probability—
Product
Mattermost
PublishedSep 22, 2021
First seenSep 22, 2021
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- github.com/mattermost/mattermost-server/v55.39.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mattermost mattermost | v ≤ 5.38 | — |
| github.com/mattermost/mattermost-server/v5Go | v < 5.39.0 | 5.39.0 |
| github.com/mattermost/mattermost-serverGo | No range specified | — |
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